How many people are playing The Callisto Protocol right now?

The Callisto Protocol has 43 players on Steam right now, with a 24-hour peak of 125 and an all-time peak of 15,556 on Dec 2022.

What is the all-time peak player count of The Callisto Protocol?

15,556 concurrent players on Dec 2022.

The Callisto Protocol was released on Steam on 1 Dec 2022.

24,821,429 on Steam▼ 4,308,756 6,349,372 in-gameTop now Counter-Strike 2 522,069PICS #38,658,063501 builds todaySale Steam PvE Survival Crafting Festends 7 Sep Sampled 7 Sep 2026, 05:56 UTC

PICS config · launch options

3 launch options

#	Executable	Arguments	Type	OS	Description
1	TheCallistoProtocol.exe	—	default	windows	—
2	Phoenix.exe	—	default	windows	Non-Shipping Build
3	Phoenix.exe	—	default	windows	Non-Shipping Build

Key	Value
installdir	The Callisto Protocol
steamdecktouchscreen	1
steamcontrollertemplateindex	2
steamconfigurator3rdpartynative	65527